Peer-reviewed / Review, Survey and Opinion piece To ensure an effective global immunisation strategy against COVID-19, vaccines need to be produced at scale, priced affordably, and allocated globally so that they are available where needed, and successfully rolled out. Review of evidence includes a comparison of 26 leading vaccines on their potential contribution to achieving global vaccine immunity, and a new survey of COVID-19 vaccine confidence in 32 countries. Having new COVID-19 vaccines will mean little if people around the world are unable to get vaccinated in a timely manner. Vaccine...